2650401956 has 24 divisors (see below), whose sum is σ = 4677916320. Its totient is φ = 1313873600.

The previous prime is 2650401931. The next prime is 2650402031. The reversal of 2650401956 is 6591040562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900335 + ... + 903273.

It is an arithmetic number, because the mean of its divisors is an integer number (194913180).

Almost surely, 2^2650401956 is an apocalyptic number.

It is an amenable number.

2650401956 is a deficient number, since it is larger than the sum of its proper divisors (2027514364).

2650401956 is a wasteful number, since it uses less digits than its factorization.

2650401956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 2650401956 is about 51482.0546987006. The cubic root of 2650401956 is about 1383.8974671220.

The spelling of 2650401956 in words is "two billion, six hundred fifty million, four hundred one thousand, nine hundred fifty-six".